Randomized controlled trial of the Pentax AWS(R), Glidescope(R), and Macintosh laryngoscopes in predicted difficult intubation

M. A Malik, R Subramaniam, C. H Maharaj, B. H Harte and J. G. Laffey

BJA: British Journal of Anaesthesia 103 ( 5 ): 761 - 768 , 2009